Home / 2,356.57-3,534.60-1,186.09

Finding the Fourth Proportional to 2,356.57, 3,534.60 and 1,186.09

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Solution

The fourth proportional to 2,356.57, 3,534.60 and 1,186.09 is: 1,779.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,356.57 : 3,534.60 = 1,186.09 : x
  2. Step 2: Convert to fraction form
    2,356.57/3,534.60 = 1,186.09/x
  3. Step 3: Cross multiply
    2,356.57x = 3,534.60 × 1,186.09
  4. Step 4: Simplify right side
    2,356.57x = 4,192,353.71
  5. Step 5: Solve for x
    x = 4,192,353.71/2,356.57
  6. Step 6: Final answer
    x = 1,779.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.